AMC1305L25-Q1 Datasheet, PDF (11/38 Pages) Texas Instruments – High-Precision, Reinforced Isolated Delta-Sigma Modulators

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AMC1305L25-Q1, AMC1305M05-Q1, AMC1305M25-Q1
SBAS797 – FEBRUARY 2017
7.11 Switching Characteristics
over operating free-air temperature range (unless otherwise noted)
PARAMETER
t_CLK
t_HIGH
t_LOW
t_D
t_ISTART
CLKIN, CLKIN_N clock period
CLKIN, CLKIN_N clock high time
CLKIN, CLKIN_N clock low time
Falling edge of CLKIN, CLKIN_N to DOUT, DOUT_N valid delay,
C_LOAD = 5 pF
Interface startup time
(DVDD at 3.0 V min to DOUT, DOUT_N valid with AVDD ≥ 4.5 V)
t_ASTART
Analog startup time (AVDD step up to 4.5 V with DVDD ≥ 3.0 V)
MIN
49.75
19.9
19.9
0
32
TYP
MAX UNIT
50
200
ns
25
120
ns
25
120
ns
15
ns
32
CLKIN
cycles
1
ms
CLKIN
t_CLK
t_HIGH
CLKIN_N
DOUT
t_LOW
t_D
DOUT_N
Figure 1. Digital Interface Timing
DVDD
CLKIN
DOUT
...
Data not valid
Valid data
t_ISTART = 32 CLKIN cycles
Figure 2. Digital Interface Startup Timing
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